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    • 15. 发明申请
    • OPTICAL WAVEGUIDE, OPTICAL WIRING LINE, OPTICAL/ELECTRICAL COMBINATION SUBSTRATE AND ELECTRONIC DEVICE
    • 光波导,光接线,光电组合基板和电子器件
    • US20110158596A1
    • 2011-06-30
    • US13062309
    • 2009-08-28
    • Shinsuke TeradaMutsuhiro MatsuyamaKoji Choki
    • Shinsuke TeradaMutsuhiro MatsuyamaKoji Choki
    • G02B6/036G02B6/10
    • G02B6/1221
    • An optical waveguide is provided. The optical waveguide includes a plurality of core portions and a plurality of clad portions in which each core portion being provided between a pair of clad portions. Each of the plurality of clad portions comprises: a low refractive-index area being in contact with the core portion, wherein a refractive index of the low refractive-index area is lower than that of the plurality of core portions; and a plurality of high refractive-index areas separated from the core portion through the low refractive-index area, wherein a refractive index of the plurality of high refractive-index areas is higher than the refractive index of the low refractive-index area. The plurality of high refractive-index areas are provided in the clad portion in an aligned manner or in a scattered manner. The plurality of high refractive-index areas are constituted of the same kind of material as a constituent material of the plurality of core portions. The plurality of high refractive-index areas make light scattered. Such light does not enter the plurality of core portions and involuntarily enters the plurality of clad portions. By doing so, it is possible to prevent the light from reaching light receiving elements, so that it is possible to improve quality of optical communications.
    • 提供光波导。 光波导包括多个芯部分和多个包层部分,其中每个芯部分设置在一对包层部分之间。 所述多个包层部分中的每一个包括:与所述芯部分接触的低折射率区域,其中所述低折射率区域的折射率低于所述多个芯部分的折射率; 以及通过低折射率区域与芯部分离的多个高折射率区域,其中多个高折射率区域的折射率高于低折射率区域的折射率。 多个高折射率区域以对准的方式或以散射方式设置在包​​层部分中。 多个高折射率区域由与多个芯部的构成材料相同的材料构成。 多个高折射率区域使光散射。 这样的光不会进入多个芯部,并且不经意地进入多个包层部。 通过这样做,可以防止光到达光接收元件,从而可以提高光通信的质量。
    • 16. 发明申请
    • OPTICAL WAVEGUIDE AND OPTICAL WAVEGUIDE MANUFACTURING MEMBER
    • 光波导和光波导制造商
    • US20110243499A1
    • 2011-10-06
    • US13132735
    • 2009-12-01
    • Makoto FujiwaraKenji MiyaoYoji ShiratoKoji ChokiMutsuhiro Matsuyama
    • Makoto FujiwaraKenji MiyaoYoji ShiratoKoji ChokiMutsuhiro Matsuyama
    • G02B6/26G02B6/02
    • G02B6/4214G02B6/1221G02B6/138
    • An optical waveguide includes a clad layer, a core layer and a clad layer which are laminated together in this order from a lower side thereof. Within the core layer, a core portion and a side clad portion provided adjacent to the core portion so as to surround side surfaces of the core portion are formed. Further, a part of the side clad portion prevents a left side end of the core portion from being exposed outside. A mirror formation region is constituted from a region consisting of such a part of the side clad portion and a part of each of the clad layers located thereabove and therebelow. This mirror formation region is subjected to digging processing so that a concave portion is formed. An inner surface of this concave portion serves as the mirror. From the mirror, a material other than a material constituting the core portion, that is, a material constituting each of the clad layers and a material constituting the side clad portion are exposed.
    • 光波导包括从其下侧依次层叠在一起的包覆层,芯层和覆盖层。 在芯层内,形成与芯部相邻设置以包围芯部的侧面的芯部和侧包层部。 此外,侧包层部分的一部分防止芯部的左侧端部暴露在外部。 镜形成区域由侧包层部分的一部分和位于其上方和下方的每个包覆层的一部分构成的区域构成。 对该镜面形成区域进行挖掘处理,形成凹部。 该凹部的内表面用作反射镜。 从镜子来看,除了构成芯部的材料以外的材料,即构成每个包覆层的材料和构成侧包层部分的材料都被露出。
    • 17. 发明授权
    • Optical waveguide and optical waveguide manufacturing member
    • 光波导和光波导制造部件
    • US08774575B2
    • 2014-07-08
    • US13132735
    • 2009-12-01
    • Makoto FujiwaraKenji MiyaoYoji ShiratoKoji ChokiMutsuhiro Matsuyama
    • Makoto FujiwaraKenji MiyaoYoji ShiratoKoji ChokiMutsuhiro Matsuyama
    • G02B6/26
    • G02B6/4214G02B6/1221G02B6/138
    • An optical waveguide includes a clad layer, a core layer and a clad layer which are laminated together in this order from a lower side thereof. Within the core layer, a core portion and a side clad portion provided adjacent to the core portion so as to surround side surfaces of the core portion are formed. Further, a part of the side clad portion prevents a left side end of the core portion from being exposed outside. A mirror formation region is constituted from a region consisting of such a part of the side clad portion and a part of each of the clad layers located thereabove and therebelow. This mirror formation region is subjected to digging processing so that a concave portion is formed. An inner surface of this concave portion serves as the mirror. From the mirror, a material other than a material constituting the core portion, that is, a material constituting each of the clad layers and a material constituting the side clad portion are exposed.
    • 光波导包括从其下侧依次层叠在一起的包覆层,芯层和覆盖层。 在芯层内,形成与芯部相邻设置以包围芯部的侧面的芯部和侧包层部。 此外,侧包层部分的一部分防止芯部的左侧端部暴露在外部。 镜形成区域由侧包层部分的一部分和位于其上方和下方的每个包覆层的一部分构成的区域构成。 对该镜面形成区域进行挖掘处理,形成凹部。 该凹部的内表面用作反射镜。 从镜子来看,除了构成芯部的材料以外的材料,即构成每个包覆层的材料和构成侧包层部分的材料都被露出。